(or see http://www.pbase.com/image/161555922 if no image above)
This column top was exposed to rain for the past 2 years.. assume water can get inside the concrete.. it won't displace the cement at all.. would it.. because cement doesn't evaporate.. what is the negative effect of such exposure...
Who has used Hilti Chemical Anchor Bolts?
Any problem with it?
What is Hilti chemical made of?
I need to use it to reinforce the poor A307 (should have used A325 bolts) that was installed years ago..
or see http://www.pbase.com/techroof/image/161552678
What are the typical reinforcement below base plates. I have a problem. Weaker A307 was used instead of stronger A325 about 3 years ago (see pic above). If the load is below the yield strength of the A307 (about 38 ksi). Would there be pull...
Let's say you have a weak A307 bolts installed on top of concrete. You want to strengthen the base plate yet you don't want to add more bolts on top. What would happen if you add base plates on the sides? Does anyone do this? Can it cause
a) Increase in tensile strength of the part in tension...
About 3 years ago while casting the upper part of a building. I asked in this forum whether to use A307 or A325 bolt for future roofing addition. Someone recommended A307 over A325.. I couldn't find the thread pertaining to it and the exact reason but it's something along the line of the A325...
